It won't impress any legitimate judge or music faculty.
IMSLP.org
It's a popular composition that many classical pianists know how to play, I would suggest learning how to play a more challenging piece.
Canon in D, by Johann Pachelbel.
The composer of this piece is Johann Pachelbel
There are reasonably good keyboard versions of the Canon in D.
The basic ground bass for this piece is D A B F# G D G A, I think. This is from memory.
Johann Pelchelbel
Pachelbels Canon in D is not Christmas music. Perhaps someone has combined this piece with something else, but it wouldn't have been composed by Pachelbel.
it was written for his love for music and it was based on his childhood
The chord progression for "Canon in D" by Pachelbel follows a pattern of D major, A major, B minor, F minor, G major, D major, G major, and A major.
Johann Pachelbel's Canon in D
Pachelbel's Cannon, or Canon in D, by Pachelbel is a piece of music written by Pachelbel. IT can be obtain from a music store selling Classical Music CDs or off iTunes or from Amazon.